View source for Isotria medeoloides

{{Treatment/ID
|accepted_name=Isotria medeoloides
|accepted_authority=(Pursh) Rafinesque
|publications={{Treatment/Publication
|title=Fl. Tellur.
|place=4: 47. 1838
|year=1838
}}
|common_names=Small whorled pogonia orchid
|basionyms={{Treatment/ID/Basionym
|name=Arethusa medeoloides
|authority=Pursh
|publication_title=Fl. Amer. Sept.
|publication_place=2: 591. 1814
}}
|synonyms={{Treatment/ID/Synonym
|name=Pogonia affinis
|authority=Austin ex A. Gray
}}
|hierarchy=Orchidaceae;Orchidaceae subfam. Vanilloideae;Orchidaceae tribe Vanilleae;Orchidaceae (tribe Vanilleae) subtribe Pogoniinae;Isotria;Isotria medeoloides
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Orchidaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Orchidaceae subfam. Vanilloideae]]</div><div class="higher-taxon"><small>tribe</small>[[Orchidaceae tribe Vanilleae]]</div><div class="higher-taxon"><small>subtribe</small>[[Orchidaceae (tribe Vanilleae) subtribe Pogoniinae]]</div><div class="higher-taxon"><small>genus</small>[[Isotria]]</div><div class="higher-taxon"><small>species</small>[[Isotria medeoloides]]</div></div>
|volume=Volume 26
|mention_page=
|treatment_page=page 512
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> singly or rarely in small clumps, short-rhizomatous, 4–25 cm. <b>Stems</b> pale grayish green, glaucous; scales 2–4, near soil line, white to light green. <b>Leaves</b> pale grayish green; blade elliptic-obovate, 17–85 × 8–40 mm, apex acuminate, glaucous when young. <b>Flowers</b> subsessile, without nectar and fragrance; sepals arching, green to light green, linear-oblanceolate, 12–25 × 2–3 mm; petals light green, oblanceolate, 12–18 × 2–4 mm; lip light yellowish green to pale greenish white, streaked with green, obovate, 11–16 × 4–5 mm, lateral lobes narrowly triangular, margins involute, middle lobe rounded, margins slightly revolute, undulate; callus yellowish green, longitudinal, becoming elongate, with fleshy, wartlike papillae toward apex; column 8–10 mm; ovary 10–15 mm; rostellar flap reduced. <b>Capsules</b> 12–28 × 2–10 mm; pedicel of mature capsule elongating to 5–17(–20, rarely) mm. <b>2n</b> = 18.</span><!--

-->{{Treatment/Body
|phenology=Flowering May–Jun; capsules mature fall.
|habitat=Acidic soils, in dry to mesic 2d-growth, deciduous or deciduous-coniferous forests, typically light to moderate leaf litter, open herb layer (occasionally in dense ferns), moderate to light shrub layer, relatively open canopy, frequently on flats or slope bases near canopy breaks
|elevation=30–1000 m
|distribution=Ont.;Conn.;Del.;Ga.;Ill.;Maine;Md.;Mass.;Mich.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Vt.;Va.
|discussion=<p><i>Isotria medeoloides</i> should be sought in Alabama, Arkansas, Indiana, Kentucky, and West Virginia.</p><!--
--><p><i>Isotria medeoloides</i> is self-pollinating (L. A. Mehrhoff 1983). Nonflowering plants commonly have a white, arrested floral bud (1–2 mm).</p><!--
--><p>of conservation concern</p>
|tables=
|references={{Treatment/Reference
|id=brumback1988a
|text=Brumback, W. E. and C. W. Fyler. 1988. Monitoring of Isotria medeoloides in New Hampshire. Wild Fl. Notes 3: 32–40.
}}{{Treatment/Reference
|id=dyer1986a
|text=Dyer, R. W. 1986. Small whorled pogonia. Audubon Wildlife Rep. 1986: 780–789.
}}{{Treatment/Reference
|id=mehrhoff1989a
|text=Mehrhoff, L. A. 1989. Reproductive vigor and environmental factors in populations of an endangered North American orchid, Isotria medeoloides (Pursh) Rafinesque. Biol. Conservation 47: 281–296.
}}{{Treatment/Reference
|id=mehrhoff1989b
|text=Mehrhoff, L. A. 1989b. The dynamics of declining populations of an endangered orchid, Isotria medeoloides. Ecology 70: 783–786.
}}{{Treatment/Reference
|id=oettingen1992a
|text=Oettingen, S. L. 1992. Small Whorled Pogonia (Isotria medeoloides) Recovery Plan: First Revision. Washington.
}}{{Treatment/Reference
|id=paulos1985a
|text=Paulos, P. G. 1985. Small Whorled Pogonia Recovery Plan. [Newton Corner, Mass.]
}}
}}<!--

--><!--

-->{{#Taxon:
name=Isotria medeoloides
|author=
|authority=(Pursh) Rafinesque
|rank=species
|parent rank=genus
|synonyms=Pogonia affinis
|basionyms=Arethusa medeoloides
|family=Orchidaceae
|phenology=Flowering May–Jun; capsules mature fall.
|habitat=Acidic soils, in dry to mesic 2d-growth, deciduous or deciduous-coniferous forests, typically light to moderate leaf litter, open herb layer (occasionally in dense ferns), moderate to light shrub layer, relatively open canopy, frequently on flats or slope bases near canopy breaks
|elevation=30–1000 m
|distribution=Ont.;Conn.;Del.;Ga.;Ill.;Maine;Md.;Mass.;Mich.;Mo.;N.H.;N.J.;N.Y.;N.C.;Ohio;Pa.;R.I.;S.C.;Tenn.;Vt.;Va.
|reference=brumback1988a;dyer1986a;mehrhoff1989a;mehrhoff1989b;oettingen1992a;paulos1985a
|publication title=Fl. Tellur.
|publication year=1838
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V26/V26_1044.xml
|subfamily=Orchidaceae subfam. Vanilloideae
|tribe=Orchidaceae tribe Vanilleae
|subtribe=Orchidaceae (tribe Vanilleae) subtribe Pogoniinae
|genus=Isotria
|species=Isotria medeoloides
}}<!--

-->[[Category:Treatment]][[Category:Isotria]]